Weather Alert in Colorado
Avalanche Advisory issued February 19 at 5:31PM MST by NWS Denver CO
AREAS AFFECTED: Elkhead and Park Mountains; Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains; Northwestern San Juan Mountains; Southwest San Juan Mountains; West Jackson and West Grand Counties Above 9000 Feet; South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet; South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet; Western Mosquito Range/East Lake County Above 11000 Ft; Eastern Sawatch Mountains above 11000 Ft; Western Chaffee County Between 9000 and 11000 Ft; Eastern San Juan Mountains Above 10000 Ft
DESCRIPTION: SABCO THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE COLORADO AVALANCHE INFORMATION CENTER. A SPECIAL AVALANCHE ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH SUNDAY *WHATit is very easy for people to trigger large and deadly avalanches through the weekend. *WHEREthe Elkheads, Park Range, Flat Tops, Front Range, Gore Range, 10-Mile Range, Grand Mesa, Sawatch, West Elk, Elk Mountains, San Juan Mountains. *WHENDangerous avalanche conditions exist through Sunday. *IMPACTSLarge and dangerous avalanches will be easy to trigger. *PRECAUTION/PREPAREDNESS ACTIONS Travel in backcountry avalanche terrain requires careful planning and cautious route-finding to stay safe. Many slopes that were safe earlier this winter are now dangerous. Avoid travel on and under slopes with a slope angle steeper than about 30 degrees. You can find more detailed information at colorado.gov/avalanche Pritchett
INSTRUCTION: N/A
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Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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